1212550553311 has 8 divisors (see below), whose sum is σ = 1242067988304. Its totient is φ = 1183093054080.

The previous prime is 1212550553273. The next prime is 1212550553317. The reversal of 1212550553311 is 1133550552121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1212550553311 - 2³⁵ = 1178190814943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212550553317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14942986 + ... + 15023911.

It is an arithmetic number, because the mean of its divisors is an integer number (155258498538).

Almost surely, 2^{1212550553311} is an apocalyptic number.

1212550553311 is a deficient number, since it is larger than the sum of its proper divisors (29517434993).

1212550553311 is an equidigital number, since it uses as much as digits as its factorization.

1212550553311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29967881.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 1212550553311 in words is "one trillion, two hundred twelve billion, five hundred fifty million, five hundred fifty-three thousand, three hundred eleven".